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Keywords:

  • gold;
  • mesoporous materials;
  • nanostructures;
  • sol–gel processes;
  • supported catalysts
Thumbnail image of graphical abstract

Limited holeliness: Core–satellite nanocomposite catalysts protected by a layer of mesoporous silica have been fabricated through the combination of simple sol–gel and etching processes. As superparamagnetic components are also incorporated, these composite structures are ideal recyclable catalysts. (see plot for performance in repeated cycles of 4-nitrophenol reduction).